Exploitation Summary
EIP tracks 2 public exploits for CVE-2026-44595. PoCs published by Daniel Miranda, ex-cal1bur.
AI-analyzed exploit summary This Python script demonstrates CVE-2026-44595, an unauthorized user enumeration vulnerability in YAMCS yamcs-core < 5.12.7. It authenticates as a low-privilege user and exploits unenforced access controls on IAM API endpoints to enumerate users and groups.
Description
Yamcs is a mission control framework. Prior to 5.12.7, the IAM API endpoints listUsers, getUser, listGroups, and getGroup in yamcs-core did not enforce the required SystemPrivilege.ControlAccess check in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java, so any authenticated user, even one with low or no privileges, could enumerate all user accounts in the system including their usernames, superuser status, and group memberships. This issue is fixed in versions 5.12.7 and 5.13.0.
Exploits (2)
This Python script demonstrates CVE-2026-44595, an unauthorized user enumeration vulnerability in YAMCS yamcs-core < 5.12.7. It authenticates as a low-privilege user and exploits unenforced access controls on IAM API endpoints to enumerate users and groups.
The repository contains a functional Python PoC that demonstrates CVE-2026-44595, an unauthorized user enumeration vulnerability in YAMCS IAM API endpoints due to missing authorization checks. The PoC authenticates as a low-privilege user and enumerates all users and groups, confirming the vulnerability.
References (5)
Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N